Method and system for creating frugal speech corpus using internet resources and conventional speech corpus

摘要

A speech corpus creation method and system are disclosed. The method comprising identifying a publicly accessible first source of the first speech data and its corresponding first text transcription; extracting a second speech data of an accessible encoding format from the first speech data; extracting a second text transcription data with at least one encoding format from the first text transcription data; matching and aligning the transcription to the extracted second speech data at a sentence, word, phoneme level, or combination thereof to form a first and a second speech corpus; analyzing the text transcriptions in the second speech corpus to identify the short speech segments to produce a phonetically balanced, segmented, text aligned third speech corpus; and conditioning the third speech corpus by inserting a context and associated environment richer corpus therein the third speech corpus from at least one second source to form the final speech corpus.